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प्रश्न
Select the correct answer from the following statement:
The gas which in presence of U.V. light gives two atoms of the same gas.
पर्याय
Oxygen
Ozone
Carbon dioxide
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उत्तर
Oxygen
APPEARS IN
संबंधित प्रश्न
What is the function of ozone in the upper atmosphere?
You have been selected to talk on 'ozone layer and its protection" in the school assembly on 'Environment Day.'
(a) Why should ozone layer be protected to save the environment?
(b) List any two ways that you would stress in your talk to bring in awareness amongst your fellow friends that would also help in protection of ozone layer as well as the environment.
How Ozone is Formed?
The gas A is used by most of the animals to obtain energy from food by the process of respiration. When A is acted upon by radiation X, it gets converted into another gas B which is an allotrope of A but poisonous when inhaled. B forms a kind of layer C in the upper atmosphere which absorbs radiations X coming from a source Y and prevent them from reaching the earth. Some chemicals Z released from the various devices on the earth are destroying the layer C slowly. In fact, a hole has already been formed in layer C over the area D of the earth.
(a) What are gases (i) A, and (ii) B? Write their molecular formulae.
(b) Name the layer C.
(c) What are (i) X, (ii) Y, and (iii) Z?
(d) Name the area D.
(e) Name any two human ailments which may be caused by X.
“Damage to the ozone layer is a cause of concern”. Justify this statement.
Explain ozone layer, its depletion and effects of ozone depletion.
Which of the following harmful radiation is absorbed by the ozone layer of the stratosphere?
Describe the methods of saving the ozone layer.
Select the correct answer from the following statement:
A chemical responsible for ozone depletion.
State the essential function performed by ozone at the higher levels of the atmosphere.
